From 12dd12821f1eb2755643914df2cc900c5e8c9d12 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Fri, 4 Oct 2024 23:10:00 +0900 Subject: [PATCH] PCI: dwc: endpoint: Clear outbound address on unmap MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Clear the address mapped (outbound_addr array) in dw_pcie_ep_unmap_addr(), to ensure that dw_pcie_find_index() does not match an ATU index that was already unmapped. This is in addition to clearing the ATU index bit in ob_window_map. Link: https://lore.kernel.org/linux-pci/20241004141000.5080-1-dlemoal@kernel.org Signed-off-by: Damien Le Moal [kwilczynski: commit log] Signed-off-by: Krzysztof Wilczyński Reviewed-by: Manivannan Sadhasivam --- drivers/pci/controller/dwc/pcie-designware-ep.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index 43ba5c6738df1..b07ace7dc92ed 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -280,6 +280,7 @@ static void dw_pcie_ep_unmap_addr(struct pci_epc *epc, u8 func_no, u8 vfunc_no, if (ret < 0) return; + ep->outbound_addr[atu_index] = 0; dw_pcie_disable_atu(pci, PCIE_ATU_REGION_DIR_OB, atu_index); clear_bit(atu_index, ep->ob_window_map); } -- 2.50.1